Source : Webster's Revised Unabridged Dictionary (1913)

Cant hook \Cant" hook`\
   A wooden lever with a movable iron hook. hear the end; --
   used for canting or turning over heavy logs, etc. [U. S.]
   --Bartlett.

Source : WordNet®

cant hook
     n : a peavey having a hook instead of a spike; used for handling
         logs